Time ATAC XC 4 Mountain Pedals. How would you like a pair of sub 300 grampair mountain bike pedals that are bomb proof and stellar in the mud Look no further than the Time ATAC XC 4 mountain bike pedals. They use Time's famous ATAC system for easy engagement and they shed mud like nobody's business. The composite body is ultra durable and lightweight while a hollow steel axle and stainless steel stamped dual arch clips are supremely tough customers. Without a doubt, this is one of the best values in mountain bike pedals out there.